Home / 3,326.40-4,979.52-2,030.40

Finding the Fourth Proportional to 3,326.40, 4,979.52 and 2,030.40

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Solution

The fourth proportional to 3,326.40, 4,979.52 and 2,030.40 is: 3,039.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.40 : 4,979.52 = 2,030.40 : x
  2. Step 2: Convert to fraction form
    3,326.40/4,979.52 = 2,030.40/x
  3. Step 3: Cross multiply
    3,326.40x = 4,979.52 × 2,030.40
  4. Step 4: Simplify right side
    3,326.40x = 10,110,417.41
  5. Step 5: Solve for x
    x = 10,110,417.41/3,326.40
  6. Step 6: Final answer
    x = 3,039.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.